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IS 1364-2: Hexagon Head Bolts, Screws and Nuts of Product Grades A and B, Part 2: Hexagon Head Screws (Size Range M 1.6 to M 64) PDF

19 Pages·2002·1.5 MB·English
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इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 1364-2 (2002): Hexagon Head Bolts, Screws and Nuts of Product Grades A and B, Part 2: Hexagon Head Screws (Size Range M 1.6 to M 64) [PGD 31: Bolts, Nuts and Fasteners Accessories] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 1364( Part 2 ) :2002 1s0 4017:1999 ?7Phl-a m-lGa-w@i’RaddaqwiJll~ mm-a, dmTk &lRii Indian Standard HEXAGON HEAD BOLTS, SCREWS AND NUTS OF PRODUCT GRADES A AND B PART 2 HEXAGON HEAD SCREWS ( SIZE RANGE M 1.6T0 M 64 ) Fourth Revision) ( ICS21.O6O.1O 0 BIS 2002 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 December 2002 Price Group 6 IS 1364( Part 2 ): 2002 1s04017:1999 — Bolts, Nuts and Fasteners Accessories Sectional Committee, BP 33 NATIONAL FOREWORD This Indian Standard ( Part 2 ) ( Fourth Revision ) which is identical with ISO 4017 : 1999 ‘Hexagon head screws — Product grades A and B’ issued by the International Organization for Standardization ( ISO ) was adopted by the Bureau of Indian Standards on the recommendation of the Bolts, Nuts and Fasteners Accessories Sectional Committee and approval of the Basic and Production Engineering Division Council. IS 1364 was originally published in 1960 and first revised in 1967. Subsequent to the publication of 1967 edition, many changes had been agreed upon at international level which have been reflected in IS 1367 series of standards covering ‘Technical supply conditions for threaded steel fasteners’. Accordingly, second revision was published in 1983 splitting the standard into 5 parts covering hexagon head bolts, hexagon head screws, hexagon nuts, hexagon thin nuts ( chamfered ) and hexagon thin nuts ( unchamfered ), The third revision of this standard was published in 1992 by adoption of ISO 4017:1988. This fourth revision has been prepared by adoption of latest version of ISO 4017 published in 1999. The remaining parts of the standard, that is, Part 1, Part 3, Part 4 and Part 5 are also being revised by adopting the corresponding latest editions of ISO Standards published in 1999. The Committee also decided to publish Indian Standard on ‘Hexagon nuts, style 2 — Product grades A and B’ as Part 6 of IS 1364. The Part 6 will supersede lS/lSO 4033:1979 on its publication. In 1967 version of this standard, the widths across flat dimensions for Ml Oand Ml 2 size fasteners were specified as 17 mm and 19 mm respectively. However, in the 1983 version, these widths across flat dimensions were brought in line with ISO 4017 : 1979 and specified as 16 mm and 18 mm respectively for Ml Oand Ml 2 size fasteners. Recognizing the difficulty of immediate changeover to new width across flat dimensions, the Committee decided to permit width across flat dimensions as per 1967 version, that is, 17 mm and 19 mm for M1O and M12 size fasteners till 31 December 1994. Now it is expected that the e ntire fastener industry would have switched over to new width across flat dimensions and from 1 January 1995, no old width across flat dimensions shall be permitted. The text of ISO Standard has been approved as suitable for publication as Indian Standard without deviations. Certain terminology and conventions are, however, not identical to those used in Indian Standards. Attention is drawn especially to the following: a) Wherever the words ‘International Standard’ appear referring to this standard, they should be read as ‘Indian Standard’. b) Comma ( ,) has been used as a decimal marker while in Indian Standards, the current practice is to use a point ( .) as the decimal marker. In this adopted standard, reference appears to certain International Standards for which Indian Standards also exist. The corresponding Indian Standards which are to be substituted in their place are listed below along with their degree of equivalence for the editions indicated: International Corresponding Indian Standard Degree of Standard Equivalence ISO 225:1983 IS 8536:1987 Fasteners — Bolts, screws, studs and Identical nuts — Symbols and designation of dimensions ( first revision ) (i) IS 1364( Part 2 ) :2002 1s0 4017:1999 International Corresponding Indian Standard Degree of Standard Equivalence ISO 724:1993 IS 4218 ( Part 3 ) :1999 ISO General purpose metric Identical screw threads: Part 3 Basic dimensions ( second revision) ISO 888:1976 IS 4206:1987 Dimensions for nominal lengths and thread lengths for bolts, screws and studs ( first revision) ISO 898-1 :1999 IS 1367 ( Part 3 ) :2002 Technical supply conditions for do threaded steel fasteners: Part 3 Mechanical properties of fasteners made of carbon steel and alloy steel — Bolts, screws and studs ( fourth revision) ISO 965-1:1998 IS 14962 ( Part 1 ) :2001 ISO General purpose metric do screw threads — Tolerances : Part 1 Principles and basic data ISO 3269: 1) IS 1367 (Part 17) : 19962, Industrial fasteners — do Threaded steel fasteners — Technical supply conditions: Part 17 Inspection, sampling and acceptance procedure ( third revision) ISO 3506-1:1997 IS 1367 ( Part 14/See 1 ) : 2002 Technical supply do conditions for threaded steel fasteners: Part 14Mechanical properties of corrosion resistant stainless-steel fasteners, Section 1 Bolts, screws and studs ( third revision) ISO 3508:1976 IS 1369 ( Part 1 ) :1993 Fasteners — Thread run-outs do and undercuts: Part 1 Dimensions for screw thread run-outs for external ISO metric threads ( third revision) ISO 4042:1999 IS 1367 ( Part 11 ) :2002 Technical supply conditions for do threaded steel fasteners: Part 11 Electroplated coatings ( third revision) 1s0 4753:3, IS 13 6 8:2002 Fasteners — Ends of parts with external do 1S0 metr ic threads ( fourth revision) 1s0 4759-1 :3) IS 1367 ( Part 2 ) :2002 Technical supply conditions for do threaded steel fasteners: Part 2 Product grades and tolerances ( third revision) ISO 6157-1:1988 IS 1367 ( Part 9/See 1 ) : 1993 Technical SU.D,.DIV do conditions’ for threaded steel fasteners: Part 9 Surface discontinuities; Section 1 Bolts, screws and studs for general applications ( third revision) The concerned Technical Committee has reviewed the provisions of following ISO Standards referred in this adopted standard and has decided that they are acceptable for use inconjunction with this standard: ‘) Tobe published (Revision of ISO 3269:1988 ) 2, Identical with ISO 3269:1988. S) Since published in2000. (ii) IS 1364( Part 2 ) :2002 1s0 4017:1999 — ISO Standard Title ISO 8839:1986 Mechanical properties of fasteners — Bolts, screws, studs and nuts made of non-ferrous metals ISO 16048 :1) Passivation of corrosion-resistant stainless steel fasteners — Passivation process and acceptance criteria CORRIGENDUM ( Page 4, Table 1, COI 2, row 12 ) – Read dimension dW,for Product grade A, size Ml.6 as ‘2.42’ in place of ‘2.27’. ALTERATION In clause 5, the designation of hexagon head screws shall be read as: ‘Hexagon head screw —lS1364( Part2)/lS04017 — M12 x 80-8.8’ in p/ace of ’Hexagon head screw ISO 4017 — M12 x 80-8.8’ PACKAG 1NG The packaging of hexagon head screws shall be in accordance with IS 1367 ( Part 18 ) : 1996 ‘Industrial fasteners — Threaded steel fasteners — Technical supply conditions: Part 18 Packaging ( third revision )’. 61S CERTIFICATION MARKING Details available with the Bureau of Indian Standards. For the purpose of deciding whethera particular requirement of this standard is complied with, the final value, observed or calculated, expressing the result of a test or analysis, shall be rounded off in accordance with IS 2 : 1960 ‘Rules for rounding off numerical values ( revised )’. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard. ‘) Tobe published. ( iii) IS 1364 ( Part 2 ) :2002 1s0 4017:1999 Indian Standard — HEXAGON HEAD BOLTS, SCREWS AND NUTS OF PRODUCT GRADES A AND B PART 2 HEXAGON HEAD SCREWS ( SIZE RANGE M 1.6T0 M 64) Fourth Revision) ( 1 Scope This International Standard specifies the characteristics of hexagon head screws with threads from Ml,6 up to and including M64, of product grade A for threads Ml,6 to M24 and nominal lengths up to and including 10 d or 150 mm, whichever is shorter, and product grade B for threads over M24 or nominal lengths over 10 d or 150 mm, whichever is shorter. NOTE This type of product is the same as that covered by ISO 4014 with the exception of threading up to head and nominal length up to and including 200 mm as popular lengths. If, in special cases, specifications other than those listed in this International Standard are required, they should be selected from existing International Standards, for example ISO 724, ISO 888, ISO 898-1, ISO 965-1, ISO 3506-1 j ISO 4753 and ISO 4759-1. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 225:1983, fasteners — Bo/ts, screws, studs and nuts — Symbols and designations of dimensions. ISO 724:1993, ISO general-purpose m etric screw threads — Basic dimensions. ISO 888:1976, Bo/ts, screws and studs — Nominal lengths, and thread lengths for general purpose bo/ts. ISO 898-1:1999, Mechanical properties of fasteners made of carbon steel and al/oy steel — Part 1: Boltsr screws and studs. ISO 965-1:1998, ISO general purpose metric screw threads — Tolerances — Part 1:Principles and basic data. ISO 3269:— 1),Fasteners — Acceptance inspection. ISO 3506-1:1997, Mechanical propeflies of corrosion-resistant stainless steel-fasteners — Pari 1:Bolts, screws and studs. ISO 3508:1976, Thread run-outs for fasteners with thread in accordance with ISO 261 and ISO 262. ISO 4042:1999, Fasteners — E/ectrop/ated coatings. 1JTo be published. (Revision of ISO 3269: 1988) 1 IS 1364 (Part 2):2002 1s0 4017:1999 1s0 4753:— 2), Fasteners — Ends of parts with external metric ISO thread. 1s0 4759-1 :—3), Tolerances for fasteners — Part 1:Bolts, screws, studs and nuts — Product grades A, Band C. ISO 6157-1:1988, Fasteners — Surface discontkwities — Part 1:Bolts, screws and studs for general requirements. ISO 8839:1986, Mechanica/ properties of fasteners — Bolts, screws, studs and nuts made of non-ferrous metals. ISO 8992:1986, Fasteners — General requirements for bo/ts, screws, studs and nuts. ISO 10683:— 4), Fasteners — Non-electrolytically applied zinc flake coatings. 2) To be published. (Revisioin of ISO 4753:1 983) 3) To be published. (Revision of ISO 4759-1:1 978) ‘ 4) TObe published. 2 IS 1364 ( Part 2 ) :2002 1s0 4017:1999 3 Dimensions SeeFigure 1and Tables 1and 2. Symbols and description of dimensions are defined in ISO 225. ..Dimensionsinmillimetres + a m x-i-% b b - .—. — .—. — .. al l---w k 1 * kx W Permissible shape 1- -1 c a — L= 4 a p=15”to30” b Point shall be chamfered or for threads= M4maybeas-rolled (sheared end) (see ISO4753) c Incomplete thread u<2 P d Reference datum for dw e ds = pitch diameter Figure 1 3

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